National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Mostly Cloudy

80°F

27°C

Humidity 58%
Wind Speed NW 12 mph
Barometer 30.01 in (1015.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 20 May 2:56 pm EDT
Extended Forecast for

2 Miles SW Grant Mills NY

  • This Afternoon

    This Afternoon: A slight chance of showers. Partly sunny, with a high near 73. Northwest wind around 9 mph. Chance of precipitation is 20%.

    High: 73 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. Northwest wind around 6 mph.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 63. North wind around 5 mph.

    High: 63 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38. Light north wind.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 64. Southeast wind 3 to 5 mph.

    High: 64 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am. Mostly cloudy, with a low around 41. Chance of precipitation is 40%.

    Low: 41 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers, mainly after 8am. High near 51. Chance of precipitation is 80%.

    High: 51 °F

    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 40. Chance of precipitation is 80%.

    Low: 40 °F

    Showers

  • Sunday

    Sunday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.

    High: 60 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A slight chance of showers. Partly sunny, with a high near 73. Northwest wind around 9 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 45. Northwest wind around 6 mph.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 63. North wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 38. Light north wind.
Friday
Mostly sunny, with a high near 64. Southeast wind 3 to 5 mph.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 41. Chance of precipitation is 40%.
Saturday
Showers, mainly after 8am. High near 51. Chance of precipitation is 80%.
Saturday Night
Showers. Low around 40. Chance of precipitation is 80%.
Sunday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Sunday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 49.
Tuesday
Partly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Grant Mills NY
 42.06°N 74.71°W (Elev. 2201 ft)
Last Update:
2:30 pm EDT May 20, 2026
Forecast Valid:
3pm EDT May 20, 2026-6pm EDT May 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation